809 search results for "parallel"

Integrating R into a SAS shop

August 29, 2012
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I work in an environment dominated by SAS, and I am looking to integrate R into our environment. Why would I want to do such a thing? First, I do not want to get rid of SAS. That would not only take away most of our investment in SAS training and hiring good quality SAS programmers, but...

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ARMA Models for Trading

August 21, 2012
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ARMA Models for Trading

In this tutorial I am going to share my R&D and trading experience using the well-known from statistics Autoregressive Moving Average Model (ARMA). There is a lot written about these models, however, I strongly recommend Introductory Time Series with R, which I find is a perfect combination between light theoretical background and practical implementations in

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Experience with Oracle R Enterprise in the Oracle micro-processor tools environment

August 17, 2012
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Experience with Oracle R Enterprise in the Oracle micro-processor tools environment

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Some Quirks of the R Language

August 14, 2012
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R is my favorite programming language.  It's just so useful for getting work done.  Sometimes people will complain that R is a difficult language.  To me, this begs the questions:  difficult for what?  And for whom?  I personally think R is just about the easiest thing in the world for prototyping.  Meaning if you want to quickly crank out...

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“Trend is Not Your Friend” Applied to 48 Industries

August 8, 2012
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“Trend is Not Your Friend” Applied to 48 Industries

Please see previous post Crazy RUT in Academic Context Why Trend is Not Your Friend. I’ll repeat the intro to the post mentioned above, so we can all get caught back up. In response to Where are the Fat Tails?, reader vonjd very helpfully referred me...

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The Environmental Performance Index, visualized with R

July 31, 2012
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The Environmental Performance Index, visualized with R

The Environmental Performance Index (EPI) ranks countries on performance indicators for environmental public health and ecosystem vitality. Yale University hosts the EPI website, which was used to present the 2012 EPI Rankings to world leaders at the 2012 World Economic Forum at Davos. The Country Profiles section of the website allowed members to browse the performance characteristics of their...

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Yet Another Forecast Dashboard

July 30, 2012
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Yet Another Forecast Dashboard

Recently, I came across quite a few examples of time series forecasting using R. Here are some examples: Time series cross-validation 4: forecasting the S&P 500 Holt-Winters forecast using ggplot2 Autoplot: Graphical Methods with ggplot2 Large-Scale Parallel Statistical Forecasting Computations in R (2011) by M. Stokely, F. Rohani, E. Tassone Forecasting time series data ARIMA

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Community Detection in Networks with R

Community Detection in Networks with R

I mainly post this visualization because I think it’s pretty. It reminds a little of the work by the famous Dutch painter Mondrian. The complete matrix can be found here. The plot is a heatmap of an adjacency matrix generated by a weighted dir...

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Revolution Analytics at JSM 2012

July 27, 2012
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Revolution Analytics is proud to once again be a gold sponsor and Wi-Fi sponsor of the JSM 2012 conference in San Diego, the largest gathering of statisticians, biostatisticians, analysts, data miners and data scientists in the world. The conference begins on Sunday, and you'll find the Revolution Analytics team in the exhibit hall. Drop by to take a look...

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R Journal, June 2012

July 20, 2012
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The June 2012 issue of the R Journal, the peer-reviewed open-journal about R packages and applications of R, is now available. This issue includes articles about: Efficiently calling C functions from R without the need for wrapper code Using clusters of Macs running Apple Xgrid for parallel distributed processing with R Semi-automated text classification with the 'maxent' package Two...

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